Unit 1Genetically Modified Foods—Feed the World?(2)Finding it difficult to adapt to the climate there(3)to have no access to the health service(4)an important role in prospering and developing(5)a depression in yield and a reduction in quality(6)could have made a good salary(7)We cannot estimate the value of modern science and technology too much.(8)The insurance company will recoup the farmers for the loss caused by the flood.(9)During the SARS outbreak, the lack of hygiene in poor countries had devastatingconsequences to all people of the world.(10)T his University Library is one of the largest Libraries in China, with a stack ofover 2.3 million volumes. It supports the University’s research and teaching acrossa full range of subjects, and provides information about the Library’s collectionsand services in each subject area.(11)T he recession has hit middle-income and poor families hardest, widening theeconomic gap between the richest and poorest Americans as job layoffs ravaged household budgets.(12)C hina's government declared two strains of genetically modified rice safe toproduce and consume, taking a major step toward endorsing the use of biotechnology in the staple food crop of billions of people in Asia. China is the world's top producer and consumer of rice, so its use of modified varieties has the potential to alter the grain's global supply patterns. China's officials have been less constrained by public pressure over the sometimes-controversial use of biotechnology in food than officials in other countries. The government has long supported research into agricultural biotechnology as part of a drive to ensure the nation remains self-sufficient in staple crops.IV. Cloze1. species2. predictable3. unrelated4. different5. into6. produce7. seeing8. also9. obvious 10. inserted11. nobody 12. approved 13. apparently 14. humans 15. risksUnit 2The Biology of Skin Color: Black and White(2)He was not severely punished for his crime(3)advance our knowledge of the HIV virus.(4)when taken according to the instruction(5)to have no access to the health service(6)He has some vague ideas about what to do(7)After three days of dismay they submitted to him and begged his forgiveness.(8)No sooner had the controversy within the administration been settled than anothermore violent storm burst over the country(9)The UN and its agencies protect vulnerable groups, like children, refugees,displaced persons, minorities, indigenous people and the disabled.(10)A recent research finds that Listening to loud music while driving can seriouslyhamper reaction times and cause accidents.(11)D uring the SARS outbreak, the lack of effective medicines and doctors haddevastating consequences to all people of the world.(12)W hen it comes to your skin, there is an extremely important fact that you mustkeep in mind: Your skin is the largest organ of your body. As an obvious result, skin health and maintenance is crucial. Your skin does everything from protecting you from the elements to assisting you with breathing. Your skin keeps your body hydrated and regulates your body's temperature. In the end, this really is only the beginning of all of the various vital functions that your skin provides to you every moment of your life.IV. Cloze1 hard2 surprisingly3 represents4 out5 identify6 within7 damaged8 down9 comes 10 whyUnit 3Can Dirt Do a Little Good?(2)To allow diverse economic sectors to coexist with state economy(3)no place can compare with their own hometown.(4)you are at risk of losing your driver’s license(5)more and more intriguing.(6)the controversy has been settled.(7)The government is making efforts to eradicate racial discriminating.(8)In practical appraisal, the basic premise is to determine the value of the property.(9)The financial market system is being completed, and the distribution andutilization efficiency of social capital have increased steadily.(10)O nly when we give full play to man's initiative can we make full use of machinesto transform nature.(11)T he era in which the Chinese people were regarded as uncivilized is now ended.We shall emerge in the world as a nation with an advanced culture.(12)N ow a Bristol University dental scientist has discovered that a common bacteriaresponsible for tooth decay and gum disease can break out into the bloodstream and help blood clots to form. In turn these can cause heart attacks and strokes, which together cause more than 200,000 deaths in Britain every year. People need to be aware that as well keeping a check on their diet, blood pressure, cholesterol and fitness levels, they also need to maintain good dental hygiene to minimizetheir risk of heart problems.IV. Cloze1. to2. significant3. breast-fed4. who5. hypothesized6. months7. laboratory8. rate9.terms 10. revealed 11.overfeedUnit 4Is Time Travel Possible?(2)With the passage of time(3)the increase in demand results in /causes the rise in prices(4)that education is not complete with graduation(5)make my head swim(6)what had happened by then(7)Science seeks the unity under the chaos of natural phenomena.(8)So what we've done is to dedicate ourselves to saving something of what's left.(9)Indeed a man, whose heart is pretty clean, can indulge in this pursuit with anenjoyment that never ceases.(10)B ut these tasks will ultimately be restructured to better match user goals in thefinal design.(11)S ubsequently, the fine particles are widely dispersed in the atmosphere anddescend to earth very slowly.(12)A Chinese astronaut has made the historic first step in outer space for his country.With the successful spacewalk, China has become the third country, after the United States and Russia, to do so. Cheering erupted in the control room when Chinese astronaut Zhai Zhigang opened the hatch of the Shenzhou 7 spacecraft and went outside.IV. Cloze1. called2. spacecraft3. revealed4. feasible5. unlikely6. colonization7. minerals8. approach9. establishing 10. added11. available 12. as 13. solving 14. event 15. volunteerUnit 5The End of Email Age(2)the reign of Gorge III.(3)take hold of my hand(4)Thanks to this contract(5)but got stuck in the last one(6)gripe about hospital services(7)All the good stuff in the house belonged to only me, and there were no brothers orsisters to vie with me for my parents' love.(8)As they had been intimate from their earliest youth, the force of habit maintainedpeace between them.(9)Today let 's start all over again and figure out just how we are going to market thisproduct.(10)I f, by chance, the recipient of the message happens to be online at the time thatyour message is received, a response may be back in just minutes.(11)D on t set your goals by what other people deem important. Only you know what isbest for you.(12)E mail can be a great tool in helping us multitask and set our own timetables forcommunicating with friends, family and co-workers. In related research, email may make users feel less responsible for telling the truth. people are more willing to lie when communicating via email than with pen and paper, and feel more justified doing so. This was true regardless of whether the writers were told their falsehood would be discovered by others.IV. Cloze1. Watched2. via3. which4. across5. list6. position7. engine8. with9. substantially 10.onUnit 6Are Cell Phones Safe?(2)particularly in regard to taxation(3)the extent of corruption and abuse of power(4)the risks posed by hazardous materials.(5)The incidence of this disease(6)without the problems posed by global warming(7)Yet there were two main barriers to the enforcement of such regulations.(8)You can narrow the odds of a terrible accident happening in your home by beingmore safety-conscious.(9)Dr. Johnson argued that there is a strong correlation between teenage crime andlow educational achievement.(10)L ocal authorities have therefore been unable, and unwilling, to part with their ownmeagre resources.(11)M icrosoft Corp. has filed suit against a Houston computer manufacturer as part ofa nationwide crackdown on software piracy.(12)S tudies so far suggest a weak connection between EMFs and illness–so weak thatit might not exist at all. A multinational investigation of cellphones and brain cancer, in 13 countries outside the US, has been underway for several years. It’s funded in part by the European Union, in part by a cellphone industry group. The final report should come out later this year, but data so far don’t suggest a strong link between cellphone use and cancer risk。